MECÂNICA GERAL

Sabendo que Fb = 2 kN e a força resultante ocorre ao longo do eixo u positivo, determine a intensidade da força resultante e o valor do ângulo ?.



A)Fr = 75,2 kN; ? = 94,4°

B)Fr= 7,62 kN; ?= 60°

C)Fr = 3,92 KN; ? = 48,59°

D)Fr = 1,56 kN; ? = 10,44°

E)Fr = 17,52 kN; ? = 21,98°
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